IPCA consumer inflation, latest month and 12-month accumulated

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x61195A8Af1F72350D85790f6EdFd5d11D1fa02db",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "type": "http"
      },
      "output": {
        "example": {
          "indicator": "ipca",
          "reference_date": "2026-07-01",
          "retrieved_at": "2026-09-01T12:00:00Z",
          "source": "BCB/SGS 433; BCB/SGS 13522",
          "units": {
            "accumulated_12m": "% y/y",
            "monthly": "% m/m"
          },
          "values": {
            "accumulated_12m": 4.44,
            "monthly": 0.07
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://api-macro-br-production.up.railway.app/v1/ipca"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://api-macro-br-production.up.railway.app/v1/ipca");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://api-macro-br-production.up.railway.app/v1/ipca")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header